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Issue
Korean Journal of Chemical Engineering,
Vol.37, No.11, 2075-2083, 2020
Fracture toughness enhancement of epoxy resin reinforced with graphene nanoplatelets and carbon nanotubes
Yao SS, Ma CL, Jin FL, Park SJ
Graphene nanoplatelets (GNPs)/silane-coupling-agent-treated GNPs (KH- GNPs) and hydroxyl multi-walled carbon nanotubes (MWCNTs-OH) were added as reinforcing agents to an epoxy matrix, diglycidylether of bisphenol-A (DGEBA), to improve the fracture toughness of DGEBA. The influence of the MWCNT-OH fraction on the thermal and flexural properties, fracture toughness, and morphology of the DGEBA/GNP/MWCNT-OH and DGEBA/ KH-GNP/MWCNT-OH nanocomposites was investigated. The results indicate that the fracture toughness of the DGEBA/KH-GNP/MWCNT-OH nanocomposites increased from 1.09 to 1.46MPa·m1/2, which is 33.9% greater than that of pristine DGEBA. Analysis of the fracture surfaces of the nanocomposites showed a rough morphology with numerous tortuous and river-like structures. In addition, the MWCNTs-OH were slightly pulled out or broken in the epoxy matrix during the fracture toughness tests.
Keywords: Epoxy Resin; Graphene Nanoplatelets; Carbon Nanotubes; Flexural Properties; Fracture Toughness
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[Cited By]
  1. Wang H, Yao SS, Guan Z, Jin FL, Park SJ, Korean Journal of Chemical Engineering, 38(11), 2332, 2021
  2. Yao SS, Gao MZ, Feng ZY, Jin FL, Park SJ, Korean Journal of Chemical Engineering, 39(7), 1952, 2022
  3. Dong W, Zhao M, Jin FL, Park SJ, Korean Journal of Chemical Engineering, 39(7), 1968, 2022
  4. Jin FL, Chu N, Yao SS, Park SJ, Korean Journal of Chemical Engineering, 39(8), 2182, 2022
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